| Existed | Answer | % Correct |
|---|---|---|
| 1946-1992 | Albanian People's Republic | 100%
|
| 1934 | Asturian Commune | 100%
|
| 1946-1989 | Bulgarian People's Republic | 100%
|
| 1919-1922 | Byelorussian Soviet Socialist Republic | 100%
|
| 1948-1989 | Czechoslovak Socialist Republic | 100%
|
| 1918-1919 | Estonian Workers' Commune | 100%
|
| 1918 | Finnish Socialist Workers' Republic | 100%
|
| 1921-1922 | Free State of Fiume | 100%
|
| 1949-1990 | German Democratic Republic | 100%
|
| 1949-1989 | Hungarian People's Republic | 100%
|
| 1919 | Hungarian Soviet Republic | 100%
|
| 1918-1920 | Latvian Socialist Soviet Republic | 100%
|
| 1919 | Limerick Soviet | 100%
|
| 1919 | Lithuanian–Byelorussian Soviet Socialist Republic | 100%
|
| 1871 | Paris Commune | 100%
|
| 1947-1989 | Polish People's Republic | 100%
|
| 1990-1991 | Pridnestrovian Moldavian Soviet Socialist Republic | 100%
|
| 1947-1950 | Provisional Democratic Government of Greece | 100%
|
| 1945-1957 | Republic of San Marino | 100%
|
| 1941 | Republic of Užice | 100%
|
| 1936-1939 | Revolutionary Catalonia | 100%
|
| 1947-1989 | Romanian People's Republic | 100%
|
| 1917-1922 | Russian Soviet Federative Socialist Republic | 100%
|
| 1919 | Slovak Soviet Republic | 100%
|
| 1945-1992 | Socialist Federal Republic of Yugoslavia | 100%
|
| 1919-1922 | Ukrainian Soviet Socialist Republic | 100%
|
| 1922-1991 | Union of Soviet Socialist Republics | 100%
|
| 1918 | Alsace-Lorraine Soviet Republic | 0%
|
| 1919 | Bavarian Soviet Republic | 0%
|
| 1918-1919 | Bremen Soviet Republic | 0%
|
| 1919 | Prekmurje Republic | 0%
|
| 1921 | Serbian-Hungarian Baranya-Baja Republic | 0%
|
| 1918-1919 | Tarnobrzeg Republic | 0%
|